Indiana Avenue over Poso Slough
FairMerced County, California · 2.8 MI South of SR 152 · Structure no. 39C0268
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 33 ft
- 1 main span
- Daily traffic
- 1,273
- 2008 count
- Owner
- County
- County Highway Agency
About this bridge
Indiana Avenue over Poso Slough is a steel stringer/multi-beam or girder carrying Indiana Avenue over Poso Slough in Merced County, California. It was built in 1964, so it is 61 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,273 vehicles a day, roughly 30% of them trucks, projected to reach 4,290 by 2042. The structure is 33 ft (10.2 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Indiana Avenue over Poso Slough built?
It was built in 1964, making it 61 years old in 2025.
What condition is Indiana Avenue over Poso Slough in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does Indiana Avenue over Poso Slough carry?
About 1,273 vehicles per day (2008 count), of which roughly 30% are trucks.
How long is Indiana Avenue over Poso Slough?
The structure is 33 ft (10.2 m) long with a longest span of 31 ft (9.4 m) and a deck 38 ft wide.
Who owns Indiana Avenue over Poso Slough?
It is owned by the County Highway Agency.